fix(config): preserve Unicode in validation received values (#109664)

ZengWen-DT · steipete · web-flow · commit 07a36f6eda75 · 2026-07-17T01:53:19.000-07:00
* fix(config): preserve Unicode in validation received values

* test: tighten config diagnostic truncation proof

Co-authored-by: ZengWen-DT &lt;ceng.wen@xydigit.com&gt;

---------

Co-authored-by: Peter Steinberger &lt;steipete@gmail.com&gt;
diff --git a/src/config/issue-location.test.ts b/src/config/issue-location.test.ts
@@ -249,6 +249,15 @@ describe("appendReceivedValueHint", () => {
     ).toBe('Invalid input (allowed: "minimal", "coding"), got: "none"');
   });
 
+  it("keeps truncated received values on a valid UTF-16 boundary", () => {
+    const message = appendReceivedValueHint(
+      "invalid input",
+      "gateway.bind",
+      `${"x".repeat(155)}🎉tail`,
+    );
+    expect(message).toBe(`invalid input, got: "${"x".repeat(155)}...`);
+  });
+
   it("skips when message already mentions received", () => {
     expect(appendReceivedValueHint("expected string, received number", "gateway.port", 18789)).toBe(
       "expected string, received number",
diff --git a/src/config/issue-location.ts b/src/config/issue-location.ts
@@ -1,4 +1,5 @@
 import path from "node:path";
+import { truncateUtf16Safe } from "@openclaw/normalization-core/utf16-slice";
 import JSON5 from "json5";
 import { isSensitiveConfigPath } from "./sensitive-paths.js";
 import type { ConfigValidationIssue } from "./types.js";
@@ -255,7 +256,7 @@ function stringifyReceivedValue(value: unknown): string | null {
     if (serialized === undefined) {
       return null;
     }
-    return serialized.length > 160 ? `${serialized.slice(0, 157)}...` : serialized;
+    return serialized.length > 160 ? `${truncateUtf16Safe(serialized, 157)}...` : serialized;
   } catch {
     return null;
   }

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`import path from "node:path";`
	`2`	`+import { truncateUtf16Safe } from "@openclaw/normalization-core/utf16-slice";`
`2`	`3`	`import JSON5 from "json5";`
`3`	`4`	`import { isSensitiveConfigPath } from "./sensitive-paths.js";`
`4`	`5`	`import type { ConfigValidationIssue } from "./types.js";`
`@@ -255,7 +256,7 @@ function stringifyReceivedValue(value: unknown): string \| null {`
`255`	`256`	`if (serialized === undefined) {`
`256`	`257`	`return null;`
`257`	`258`	`}`
`258`		- return serialized.length > 160 ? `${serialized.slice(0, 157)}...` : serialized;
	`259`	+ return serialized.length > 160 ? `${truncateUtf16Safe(serialized, 157)}...` : serialized;
`259`	`260`	`} catch {`
`260`	`261`	`return null;`
`261`	`262`	`}`